161790013

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 207993600

約数和(自身を除く): 46203587

約数列:

[1, 7, 11, 49, 77, 137, 313, 343, 539, 959, 1507, 2191, 3443, 3773, 6713, 10549, 15337, 24101, 42881, 46991, 73843, 107359, 168707, 300167, 471691, 516901, 1180949, 2101169, 3301837, 14708183, 23112859, 161790013]

約数ペア:

[(1, 161790013), (7, 23112859), (11, 14708183), (49, 3301837), (77, 2101169), (137, 1180949), (313, 516901), (343, 471691), (539, 300167), (959, 168707), (1507, 107359), (2191, 73843), (3443, 46991), (3773, 42881), (6713, 24101), (10549, 15337)]